@article{ref1,
title="Traffic engineering assistance is important to cities",
journal="Traffic quarterly",
year="1949",
author="Vey, A.h.",
volume="3",
number="1",
pages="48-54",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0041-0713",
doi="",
url="http://dx.doi.org/"
}